Great work and nice to meet you.
I am an addict and also gave up all substances including alcohol which i drank way too much of also to have my first baby (now 13.). I also did not touch anything after that positive pregnancy test.
I have had another 4 babies since then and been able to stay clean for all the pregnancies. For them.
My advice to you would be to take time to work on loving yourself as well as this precious bub. 5 babies later I am discovering now that I am no longer pregnant or feeding (youngest is 2.5) that I don't know how to stay clean and sober just for myself. Big time relapse and now trying to claw my way back out.
Congratulations on your pregnancy! Very special and exciting